// Copyright (C) Kumo inc. and its affiliates.
// Author: Jeff.li lijippy@163.com
// All rights reserved.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published
// by the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <https://www.gnu.org/licenses/>.
//


#include <pollux/common/base/scoped_lock.h>

#include <gtest/gtest.h>

namespace kumo::pollux {

TEST(ScopedLockTest, basic) {
  int count = 0;
  std::mutex mu;
  {
    ScopedLock sl(&mu);
    sl.addCallback([&]() {
      std::lock_guard<std::mutex> l(mu);
      ++count;
    });
    ++count;
  }
  ASSERT_EQ(count, 2);
}

TEST(ScopedLockTest, multiCallbacks) {
  int count = 0;
  const int numCallbacks = 10;
  std::mutex mu;
  {
    ScopedLock sl(&mu);
    for (int i = 0; i < numCallbacks; ++i) {
      sl.addCallback([&]() {
        std::lock_guard<std::mutex> l(mu);
        ++count;
      });
    }
    ++count;
  }
  ASSERT_EQ(count, 1 + numCallbacks);
}

} // namespace kumo::pollux
